Fix for bgo#590219 - Incorrect text displayed with Orca quit confirmation dialog when the user using non english locale
Fix for bgo#590219 - Incorrect text displayed with Orca quit confirmation dialog when the user using non english locale

Prevent the empty string from being passed to gettext.

h4ck3rm1k3/orca-sonar,GNOME/orca,GNOME/orca,pvagner/orca,h4ck3rm1k3/orca-sonar,GNOME/orca,chrys87/orca-beep,GNOME/orca,chrys87/orca-beep,h4ck3rm1k3/orca-sonar,chrys87/orca-beep,pvagner/orca,chrys87/orca-beep,pvagner/orca,pvagner/orca